fix(LabelService): Replace jQuery selector

[breity]

Changes

Replace a jQuery selector with native js document selector. This was breaking the student work view for Label activities.

Test

• Label activities work as before.
• You can view student work for Label activities in the Teacher Tools.

[qltysh]

Coverage Impact

Unable to calculate total coverage change because base branch coverage was not found.

Modified Files with Diff Coverage (1)

Rating	File	% Diff	Uncovered Line #s
	src/assets/wise5/components/label/labelService.ts	50.0%	303
	Total	50.0%

🤖 Increase coverage with AI coding...

In the `label-service-jquery-bug` branch, add test coverage for this new code:

- `src/assets/wise5/components/label/labelService.ts` -- Line 303

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• Diff Coverage: Coverage for added or modified lines of code (excludes deleted files). Learn more.

• Total Coverage: Coverage for the whole repository, calculated as the sum of all File Coverage. Learn more.

• File Coverage: Covered Lines divided by Covered Lines plus Missed Lines. (Excludes non-executable lines including blank lines and comments.)

  • Indirect Changes: Changes to File Coverage for files that were not modified in this PR. Learn more.

[hirokiterashima]

🎉 This PR is included in version 5.221.1 🎉

The release is available on GitHub release

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